DENAQ 9-Cell 85Whr/7800mAh Replacement Li-Ion Laptop Battery for IBM THINKPAD R50, IBM THINKPAD R50E, IBM THINKPAD R50P, IBM THINKPAD R51, IBM THINKPAD R51E, IBM THINKPAD R52, IBM THINKPAD T40, IBM THINKPAD T41, IBM THINKPAD T42, IBM THINKPAD T43, IBM THINKPAD T40P, IBM THINKPAD T41P, IBM THINKPAD T42P, IBM THINKPAD T43P.Replaces IBM/LENOVO Parts: 08K8192, 08K8193, 08K8194, 08K8195, 08K8196, 08K8197, 08K8198, 08K8199, 08K8201, 08K8214, 88P5628, 92P1010, 92P1011, 92P1012, 92P1013, 92P1058, 92P1060, 92P1061, 92P1062, 92P1063, 92P1064, 92P1065, 92P1066, 92P1067, 92P1068, 92P1069, 92P1070, 92P1071, 92P1072, 92P1073, 92P1074, 92P1075, 92P1076, 92P1077, 92P1086, 92P1087, 92P1088, 92P1089, 92P1090, 92P1091, 92P1101, 92P1102, 92P5002, 93P5003